What is the value of one plus one ?
the average of four number is 25 . the average of the four is 23 when one of the number changed to 6. what is the original value of the changed number ??
the average of five numbers is 20. The average of the five numbers is 18 when one of the numbers is changed to 4. What is the original value of the changed numbers
Trả lời
( 20 x 5 ) - ( 18 x 5 ) = 10
10 + 4 = 14
Chúc học tốt
the average of five numbers is 20. The average of the five numbers is 18 when one of the numbers is changed to 4. What is the original value of the changed numbers
VOCABULARY PLUS. Use a dictionary to check the meaning of the nouns in blue in the text. What is the verb form of each one?
CHANGING THE WORLD WITH KINDNESS
Sometimes a spontaneous act of kindness can change another person’s life. Read about these incredible people and their actions that helped to make the world a better place for someone else.
IN BRITAIN
Life can't be easy for musician Daniel Black. After a cycling accident in 2009, the doctors told him that he couldn’t walk or play the guitar. He had saved £22,000 for his intended expensive surgery when he heard about a young boy who also needed surgery to allow him to walk. Daniel told the boy's family that he would donate all his money to the boy’s surgery. The little boy was then able to walk again.
IN THE US
Glen James, an unemployed and homeless office worker, did something both honest and kind. The police said that he decided to return a bag with $ 42,000 in it to the owner. A man called Ethan Whittington read about Glen and started a campaign to collect money forhim. Ethan said that anamazing 160,000 was raised and Glen's life hasn't been the same since.
IN VIET NAM
In March 2020, Hoang Tuan Anh, a Vietnamese entrepreneur in Ho Chi Minh City invented a 24/7 automatic dispensing machine providing free rice for the poor during the Covid 19 lockdown. The machine distributed a 1.5 kg (3.3lb) bagful of rice from a small silo. The team said that people in need still had access to food and resources during the pandemic.
These stories may persuade you that when you spread a little kindness, there may not be a personal benefit, but you could encourage people to be kind to you, too.
- actions: hành động
- access: tiếp cận
- benefit: lợi ích
Each of the integers from 1 to 16 inclusive is put in a different square of a 4 by 4 table. For any two squares sharing a common side, the sum of the numbers in them is recorded. What is the maximum value of the smallest one among the recorded numbers?
Giup mik với
Ex 1:A one-way bus ticket cost 25 dollars. A two- way bus ticket cost 35 dollars. A cashier collected 560 dollars altogether from the sale of 20 tickets. How many one- way bus tickets were sold?
Ex2: the sum of a,b and c is 14. If 9a+8b+6c=101, what is the value of 2a+b=c?
THANKS
bản dịch đây
Ex1: Một vé xe buýt một chiều có giá 25 USD. Một vé xe buýt hai chiều có giá 35 đô la. Một thủ quỹ thu được 560 USD hoàn toàn từ việc bán 20 vé. Làm thế nào nhiều one- cách xe buýt vé đã được bán?
Ex2: tổng của a, b và c là 14. Nếu 9a + 8b + 6c = 101, giá trị của 2a + b = c là gì?
Which one of the following value is not irrational ?
Which one of the following value is not irrational ?
One crate has oranges. Someone takes out half of all the
oranges plus one half of one orange. Later on, another person
takes out half of the remaining amount and one half of one
orange. Finally, someone takes half of the new remaining
amount and one half of one orange. After all this, 3 oranges
are left in the crate. How many oranges were in the crate at
the beginning?